def test_caseI(self): N = [ "riya [email protected]", "julia [email protected]", "julia [email protected]", "julia [email protected]", "samantha [email protected]", "tanya [email protected]" ] db = Solution.Database() for N_itr in N: first_multiple_input = N_itr.split() firstName = first_multiple_input[0] emailID = first_multiple_input[1] db.addEmail(firstName, emailID) actual = db.printFname() excepted = "julia\njulia\nriya\nsamantha\ntanya" self.assertEqual(actual, excepted)